Home / 39,663.72-54,716.85-22,887

Finding the Fourth Proportional to 39,663.72, 54,716.85 and 22,887

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Solution

The fourth proportional to 39,663.72, 54,716.85 and 22,887 is: 31,573.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    39,663.72 : 54,716.85 = 22,887 : x
  2. Step 2: Convert to fraction form
    39,663.72/54,716.85 = 22,887/x
  3. Step 3: Cross multiply
    39,663.72x = 54,716.85 × 22,887
  4. Step 4: Simplify right side
    39,663.72x = 1,252,304,545.95
  5. Step 5: Solve for x
    x = 1,252,304,545.95/39,663.72
  6. Step 6: Final answer
    x = 31,573.05

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.